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26 | Getting Started with the LEX L10
Item
Ambient Light Sensor
Proximity Sensor
Screen
Primary Microphone/Speaker
Headset Port
Volume Up/Down Buttons
PTT Button
Power Button
Send Feedback
| February 2015 | MN001456A01-A
Function
Determines ambient light for controlling display back-
light intensity.
Turning off display when the phone is close to ear.
Tap screen displays all information needed to operate the
LEX L10.
Recent Apps key — Press to switch to, stop or manage
applications currently running on the background of the
LEX L10.
Home key — Displays the Home screen with a single
tap.
Back key — Displays the previous screen. Closes the
keyboard if the on-screen keyboard is open.
Use for communications in handset mode. Provides au-
dio output for video and voice playback in speakerphone
mode.
Menu key — At any screen or application, press to see
available options.
Connects to headsets (3.5 mm plug).
Note: Do not user 2.5 mm to 3.5 mm adapters
Increase and decrease audio volume.
Push-to-Talk (PTT) button enables Push-to-Talk services
over a broadband network and can also be interconnected
to Project 25 Land Mobile Radio (LMR) networks. The
PTT application offers calls, alerts, group calls, Talk
Group calls, and Talk Group monitoring and scanning.
For PTT button and application operations, see Push-to-
Talk User Guide for LEX L10 PN MNxxxxxxxxx
Important: The PTT is an optional feature
that requires installation of software and sys-
tem connection following the LEX L10 ship-
ping. To verify if the PTT feature is enabled
on the device, contact your technical support.
Press and hold to turn on the LEX L10. Press to turn the
screen on or off. Press and hold to select one of these op-
tions:
•
Power On/Off — Turn On/Off the LEX L10.
•
Airplane mode — Disables all wireless connections.
•
Service switch — Switches between public and Pri-
vate carrier modes.
•
Covert mode — In covert mode, all sounds and visu-
al indications of the LEX L10 are turned off. See
Covert Mode on page
39.
Table continued...
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Table of Contents
Troubleshooting
